Minerals, Alloys, and Compounds (471)

This collection contains samples that are not pure elements, but rather mixtures of several. Most are naturally occurring minerals in more or less the form they come out of the ground. (With a few exceptions, minerals are complex chemical compounds or mixtures of compounds). Other samples here are pure chemical compounds or alloys (mixtures of metals). Each sample is listed under all of the elements it contains.

Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.

Text and images Copyright (c) 2010 by Theodore W. Gray.
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Chromium
Chromium Chromite from Jensan Set
3D3D
Chromite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: FeCr2O4
Manganese
Manganese Romanechite from Jensan Set
3D3D
Romanechite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: (Ba,H2O)2Mn5O10
Iron
Iron Botryoidal Hematite from Jensan Set
3D3D
Botryoidal Hematite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Fe2O3
Cobalt
Cobalt Erythrite from Jensan Set
3D3D
Erythrite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Co3(AsO4)2.8H2O
Nickel
Nickel Garnierite from Jensan Set
3D3D
Garnierite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: (Ni,Mg)3Si2O5(OH)4
Copper
Copper Native Copper from Jensan Set
3D
Native Copper from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: Cu
Zinc
Zinc Smithsonite from Jensan Set
3D3D
Smithsonite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: ZnCO3
Gallium
Gallium Bauxite from Jensan Set
3D3D
Bauxite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: (Al,Fe,O,OH)+Ga
Germanium
Germanium Sphalerite from Jensan Set
3D3D
Sphalerite from Jensan Set.
Source: Jensan Scientifics
Contributor: Jensan Scientifics
Acquired: 17 March, 2003
Price: Donated
Size: 1"
Composition: (Zn,Fe)(S,Ge)
Beryllium
Beryllium Aquamarine Beryl
3D
Aquamarine Beryl. (External Sample)
Location: John Gray's Collection
Photographed: 11 March, 2003
Size: 3"
Composition: Be3Al2Si6O18
Beryllium
Beryllium Aquamarine Beryl
3D
Aquamarine Beryl. (External Sample)
Location: John Gray's Collection
Photographed: 11 March, 2003
Size: 3"
Composition: Be3Al2Si6O18
Copper
Copper Azurite.
3D3D
Azurite. (External Sample)
Location: John Gray's Collection
Photographed: 11 March, 2003
Size: 3"
Composition: Cu3(CO3)2(OH)2
Manganese
Manganese Rhodochrosite
3D3D
Rhodochrosite. (External Sample)
Location: John Gray's Collection
Photographed: 11 March, 2003
Size: 1.375"
Composition: MnCO3
Lead
Lead Cerussite
3D3D
Cerussite. (External Sample)
Location: John Gray's Collection
Photographed: 20 November, 2007
Size: 1.25"
Composition: PbCO3
Aluminum
Aluminum Ruby
3D
Ruby. (External Sample)
Location: John Gray's Collection
Photographed: 11 March, 2003
Size: 3"
Composition: Al2O3
Chromium
Chromium Chromium Petrified Wood

Chromium Petrified Wood.
Source: Fossil Image Ltd.
Contributor: Theodore Gray
Acquired: 29 March, 2003
Price: $15
Size: 2"
Composition: Cr
Iron
Iron Pyritized Ammonite
3D3D
Pyritized Ammonite.
Source: indiana9 Fossils
Contributor: Theodore Gray
Acquired: 29 March, 2003
Price: $15
Size: 1.5"
Composition: FeS2
Iron
Iron Pyritized Ammonite
3D3D
Pyritized Ammonite.
Source: Time Trips
Contributor: Theodore Gray
Acquired: 29 March, 2003
Price: $12.95
Size: 1.5"
Composition: FeS2
Iron
Iron Pyritized Ammonite
3D3D
Pyritized Ammonite.
Source: Exclusive Fossils/Nord Fossil
Contributor: Theodore Gray
Acquired: 29 March, 2003
Price: $25
Size: 1.5"
Composition: FeS2
Carbon
Carbon Amber with bugs

Amber with bugs.
Source: Time Trips
Contributor: Theodore Gray
Acquired: 29 March, 2003
Text Updated: 9 April, 2009
Price: $45
Size: 5"
Composition: C10H16O
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